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August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
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April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.